when i first installed debian, i was still kind of new-ish to the
partitioning thing and made /var much too small:
Filesystem Size Used Avail Use% Mounted on
/dev/hda5 6.4G 5.2G 997M 85% /
/dev/hda1 15M 7.5M 6.9M 52% /boot
/dev/hda2 188M 133M 55M 71% /var
/dev/hda3 128M swap
/dev/hda6 7.5G 4.6G 2.8G 62% /usr/local
/dev/hda7 4.8G 3.8G 1.0G 78% /home
/dev/hdb1 128M swap
/dev/hdb2 25G (unused space)
/dev/hdc1 128M swap
/dev/hdc2 73G 19G 50G 28% /data
/var was turned into a reiser partition somewhere along the way. sarge
got a _huge_ update today, and i had to update piecemeal because there
wasn't enough room on /var (the other option was to copy /var to /data
and create a symlink to it). that just sucked, i swore that i'd do
something about it tonight.
the plan was to combine /dev/hda2 (/var) and /dev/hda3 (swap).
after reading some docs, i found that i had to install a library for
reiser support for parted, which i did.
parted still complained that it couldn't handle reiser. google
searching didn't yeild much info. the README had nothing. a quandry.
so in an act of desperation, i installed parted along with all its
dependencies and suggestions from unstable. THIS time, parted
acknowledged the reiser libs. but not the way i wanted it to:
satan# parted
Warning: GNU Parted has detected libreiserfs interface version mismatch.
Found 1-1, required 0. ReiserFS support will be disabled.
oh well. i wanted to do this the elegant way, instead i'll use brute
force. i archived /var and put an ext3 filesystem over it.
fuser -k -m /dev/hda2
swapoff /dev/hda3
parted /dev/hda
here's what parted sees:
Minor Start End Type Filesystem Flags
1 0.031 15.688 primary ext3 boot
2 15.688 203.950 primary ext3
3 203.950 329.458 primary linux-swap
4 329.458 19571.374 extended
5 329.489 7004.904 logical ext3
6 7004.936 14637.348 logical reiserfs
7 14637.379 19571.374 logical reiserfs
i deleted the swap partition:
rm 3
and then resized /var:
resize 2 15.688 329.458
believe it or not, that's it. here's what parted now sees:
Minor Start End Type Filesystem Flags
1 0.031 15.688 primary ext3 boot
2 15.688 329.458 primary ext3
4 329.458 19571.374 extended
5 329.489 7004.904 logical ext3
6 7004.936 14637.348 logical reiserfs
7 14637.379 19571.374 logical reiserfs
looking at df -h, /var is still on the smallish side
Filesystem Size Used Avail Use% Mounted on
/dev/hda5 6.4G 5.2G 993M 85% /
/dev/hda1 15M 7.4M 6.9M 52% /boot
/dev/hda6 7.5G 4.6G 2.8G 62% /usr/local
/dev/hda7 4.8G 3.8G 1.0G 78% /home
/dev/hdc2 73G 20G 50G 28% /data
/dev/hda2 304M 97M 192M 34% /var
but at least i have some breathing room now. ideally, i would've liked
for it to be about 500M. as long as i keep apt-get cleaning and
rotate logs a bit faster than normal, i should be fine.
parted was surprisingly easy to use. for my next trick, i'd like to
shave off a bit from hda6 or hda7 to make a swap partition on hda, but i
need to read the docs a little bit more for that.
ideally, i'd like to have /var bigger by a few hundred MB. i don't
think that's going to happen just yet. i may have read the docs
incorrectly, the the docs seemed to indicate that a partition's start
location isn't allowed to move for ext2 and ext3. that allows you to
combine and split ext2/ext3 partitions, but not resize.
if someone has used parted and knows this is wrong, please let me know.
i have 25 GB of unused space; i may just make a 500MB /var on that. i
still don't know what to do with the rest of the 24.5 GB. but then what
do i do with my newly resized hda2? i'd *like* to give it to the root
partition since hda2 and hda5 are physically right next to each other.
but that would mean changing the start block for hda5, and supposedly
parted can't do that for ext2/3.
pete
ps- i forgot one last step. after you change the partition geometry,
you most likely need to edit fstab.
whew
--
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